2018 BMW M3 alternator price snapshot
- Low
- $50
- Average
- $156
- High
- $264
Year-specific price guide
Used 2018 BMW M3 Alternator prices
Year-specific used alternator pricing for the 2018 BMW M3, built from real salvage yard and junkyard listings with condition grade and fitment detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 30, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Part overview
About the 2018 BMW M3 alternator
A used 2018 BMW M3 alternator costs between $50 and $264, with a median of $164 from 35 salvage yard listings.
What the alternator does, common failure signs, and prices across all vehicles: used alternator price guide →
Price summary
A used 2018 BMW M3 alternator costs $50 to $264, with a median asking price of $164. Based on 35 priced salvage yard listings across the US, compatible across 2015–2020 (6 model years), updated Sep 30, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$164
USD
Condition comparison
Price by part grade
Grade AClean / low wear$50–$26435 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$264 | 35 |
Replacement cost
What is the 2018 BMW M3 alternator replacement cost?
- Used part
- $164
- 2018 BMW M3 median asking price
- Labor
- $95–$375
- 1–2.5 hours at $95–$150/hr
- Estimated total
- $260–$540
- median used part + labor
Labor is a typical independent-shop range for alternator replacement, not a quote for your vehicle. The part price is the live median from the salvage-yard listings on this page. Full alternator replacement cost breakdown
Year-specific context
How does the 2018 BMW M3 compare?
The 2018 guide is based on 44 observed listings, including 35 with posted prices. Its $164 median is 18% below the BMW M3 guide's $200 median.
Among the 9 model years with current price data, 2018 ranks #1 from lowest to highest median.
Interchange data shows this part is also listed under model years 2015, 2016, 2017, 2019, 2020. Shopping across all 6 compatible years may surface better prices or condition grades.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
What does a BMW M3 alternator cost in other years?
Keep browsing this vehicle
What other BMW M3 parts are priced?
01wide ±112%
AC Compressor
$213median
$75$550
02wide ±110%
ABS Module
$212median
$85$550
03wide ±129%
Air Bag
$425median
$100$1,193
04wide ±82%
Axle Shaft
$380median
$150$775
05wide ±66%
Blower Motor
$162median
$35$249
06wide ±263%
Brake Caliper
$350median
$65$1,909
07wide ±84%
Rear Bumper Assembly
$1,470median
$679$3,150
08spread ±25%
Front Bumper
$805median
$600$995
09spread ±39%
Rear Bumper
$795median
$395$1,009
10wide ±287%
Car Radio
$169median
$29$1,000
11wide ±143%
Center Console
$255median
$63$790
12wide ±132%
AC Condenser
$200median
$72$598
13wide ±78%
Control Arm
$210median
$60$386
14tight ±17%
Differential
$895median
$595$900
15wide ±248%
Door Assembly
$378median
$125$2,000
16wide ±71%
Drive Shaft
$525median
$280$1,025
17spread ±47%
Engine
$11,755median
$7,999$19,087
18wide ±122%
Engine Computer
$440median
$212$1,289
19
Exhaust Manifold
Price data updating
20wide ±65%
Fender
$749median
$420$1,400
21spread ±21%
Fog Light
$128median
$117$172
22wide ±264%
Front Seat
$602median
$127$3,300
23wide ±204%
Fuel Pump
$135median
$50$600
24wide ±172%
Fuel Tank
$200median
$63$750
25wide ±87%
Grille
$189median
$90$418
26wide ±95%
Headlight Assembly
$1,469median
$575$3,366
27
Heater Core
Price data updating
28wide ±93%
Hood
$816median
$275$1,800
29spread ±55%
Ignition Switch
$77median
$24$108
30
Instrument Cluster
Price data updating
31wide ±192%
Intake Manifold
$104median
$49$449
32wide ±280%
Master Cylinder
$100median
$19$578
33wide ±75%
Side Mirror
$631median
$300$1,250
34
Power Steering Pump
Price data updating
35spread ±43%
Quarter Panel
$1,000median
$600$1,450
36wide ±97%
Radiator
$272median
$115$640
37wide ±200%
Rear View Mirror
$107median
$25$454
38wide ±212%
Starter
$100median
$30$454
39wide ±112%
Steering Column
$272median
$90$700
40wide ±88%
Steering Rack
$799median
$445$1,848
41wide ±263%
Steering Wheel
$200median
$50$1,100
42wide ±127%
Strut
$522median
$175$1,499
43wide ±97%
Sunroof
$200median
$76$464
44wide ±138%
Tail Light
$175median
$30$512
45wide ±75%
Tailgate
$960median
$395$1,837
46wide ±108%
Throttle Body
$100median
$35$250
47
Torque Converter
Price data updating
48spread ±24%
Transfer Case
$1,641median
$1,250$2,025
49wide ±167%
Transmission
$2,225median
$1,090$8,500
50wide ±263%
Transmission Control Module
$110median
$19$598
51wide ±84%
Turbocharger
$580median
$280$1,249
52wide ±167%
Water Pump
$100median
$35$368
53wide ±83%
Wheels
$517median
$225$1,087
54wide ±96%
Window Regulator
$125median
$30$271
Common questions
2018 BMW M3 alternator FAQ
How much is a used 2018 BMW M3 alternator?
Based on 35 priced salvage-yard listings, a used 2018 BMW M3 alternator lists between $50 and $264, with a median asking price of $164.
How much does it cost to replace a 2018 BMW M3 alternator?
Using a used part, a 2018 BMW M3 alternator replacement typically runs $260–$540 all-in: the median used alternator for this year lists at $164, and independent-shop labor for alternator replacement typically takes 1–2.5 hours at $95–$150/hr ($95–$375). Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2018 BMW M3 alternator fit another year?
Based on salvage-yard interchange data, listings for the 2018 BMW M3 alternator also appear under model years 2015, 2016, 2017, 2019, 2020, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.